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Cs540 Mic not working. Connected to Cisco IP phone 7940 series

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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ward_knutson
  • 64 Answers

SOURCE: Converting Cisco 7940 IP Phone to SIP

Unlocking a Cisco 7940

Method 1:
1) Unplug the phone
2) Plug the phone back in while holding the # key
The phone will soon display “Reset key sequence detected”
3) After several lights flash press the following keys in order:
1 2 3 4 5 6 7 8 9 * 0 #
4) The phone will then ask you if you want to save the network configurations:
Save network cfg? 1=yes 2=no
5) The phone will soon display “Factory reset initiated” and will continue
through the boot up process.
If that process fails to work for some reason there
is a second method.

Method 2

Complete these steps:

  1. Press Settings.
  2. The Network Configuration lock symbol must be unlocked. If not, exit to the main window and press ** # again.
  3. Press 3 on the keypad (or scroll down) for Network Configuration.
  4. Press 33 on the keypad (or scroll down) to Erase Configuration.
  5. Press the Yes softkey.
  6. Press the Save softkey.
The phone will now be reset.

Also see this link
http://www.cisco.com/univercd/cc/td/...tain.htm#93250

Posted on Nov 25, 2008

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  • 1 Answer

SOURCE: unable to connect jabra t5330 to a cisco ip phone 7941G headset jack

You can solve this by connecting your phone inline.
On the back of the phone where the phone handset plugs into, plug one end of the jabra headset wire & connect other end to the 2nd position (marked by phone & handset). Now plug the handset wire from Ip phone to the 1st position (marked by handset) in the jabra headset. Now you are good to go.

When the phone rings lift the phone handset and answer it with your jabra headset. You can't use jabra with 7941 without lifting the handset on phone.

Posted on Jan 28, 2009

RPaterson
  • 48 Answers

SOURCE: My Cisco ip Phone 7940

Solution #1 sure is funny, but however the "not-ringing" is a known bug with Cisco 7940 IP Phones. At IdacomUSA, we will gladly and professionally repair and refurbish your phone and get rid of that problem for ya.

http://idacomusa.com

Posted on Feb 18, 2009

Democritus
  • 120 Answers

SOURCE: 7940 cisco ip phone being powered by a power brick

Change out your cable from the wall drop to the phone. A Cisco phone is capable of receiving inline power (Power Over Ethernet) via the blue and brown pairs of the cable. It sounds like you may have a cable with a short in either the brown or blue, or both pairs, shorting out the power when it is connected via ethernet.

If you can, have your IT Tech check the cable, and the line through the wall to the switch.

Posted on May 26, 2010

  • 1 Answer

SOURCE: VOIP headset PlantroMX500i 72517-01 to use with Cisco IP spa504G

mx500i.gif MX500i 3-in-1 VoIP Headset Sorry your headset + phone combination is not currently listed in our database. Please contact Plantronics Technical Assistance Center to confirm compatbility
Versatile 3-in-1 Headset for Internet/VoIP, cordless and mobile calls
Part Number: 72517-01

Posted on Jul 22, 2010

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1 Answer

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You will need to configure this through whatever SIP gateway you are using, it is not configured through the handset.

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How can I clear / reset a Cisco IP Phone 7910


How to set a Cisco IP phone to factory default Reset configuration of Cisco IP Phone (7910, 1911, 7940, 7941, 7960, 7961)

To set the Cisco IP phone to factory default completes the following steps: should be completed:

For 7940, 7941, 7960, 7961 phones:

1. Power up the phone (unplug power cable and plug in again and hold the # key.
2. Release # when lights start flashing.
3. Press 123456789*0#.
4. Press 1 to keep network configuration or 2 to lose the network configuration.

For 7906G and 7911G phones:
1. Power up the phone (unplug power cable and plug in again and hold the # key.
2. Release # when MWI starts flashing.
3. Press 3491672850*#.

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Why can't I connect my corporate Cisco IP Phone 7941 to a switch? I can connect a switch to Cisco phone switch and connect multiple devices. But the phone will only work when connected directly to the wall...


Connecting a hub or switch to the "PC" port on the back of the phone is not a recommended best practice by Cisco as the IP phone does not support spanning tree protocol.

Sep 28, 2010 | Cisco 7940 IP Phone

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How do i get my cisco 7940 working in my home


You would need either a call manager or call manager express to configure the phone and connect to the phone line.

Sep 06, 2010 | Cisco 7940 IP Phone

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I need to replace a Cisco 7060 handset that has gone faulty, I can only get 7961 models, would this model work properly? or can the firmware of 7960 be able to support 7961 or 7962 ?


The handset piece is interchangable. The firmware is NOT. The handset is simply the piece with the speaker and mic in it that you hold in your hand.

Aug 25, 2010 | Cisco 7940 IP Phone

1 Answer

7940 cisco ip phone being powered by a power brick seems to loose power when connected to the ethernet. When ethernet is disconnected, power comes back. Ethernet works fine when phone is not connected. No...


Change out your cable from the wall drop to the phone. A Cisco phone is capable of receiving inline power (Power Over Ethernet) via the blue and brown pairs of the cable. It sounds like you may have a cable with a short in either the brown or blue, or both pairs, shorting out the power when it is connected via ethernet.

If you can, have your IT Tech check the cable, and the line through the wall to the switch.

May 26, 2010 | Cisco 7940 IP Phone

2 Answers

Cisco IP Phone 7940 and 3com nbx as 3rd party SIP phones


Here are the instructions for configuring these units for 3cx

http://www.3cx.com/sip-phones/cisco-7940.html

http://www.3cx.com/sip-phones/polycom-soundpoint.html

Since the 3cx softphone worked well, I don't see why you couldn't configure each as for 3cx and make them work as well.

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2 Answers

My Cisco ip Phone 7940 will not ring.


Give me your number, and i'll call you! Solved! =-D

Jan 27, 2009 | Cisco 7940 IP Phone

1 Answer

My client has Cisco 7940 IP phones and wants assistance with feature programming


This phone can be access through a menu/ setting buttons.

Useful link on how to navigate through the phone:
http://www.cisco.com/warp/public/779/largeent/avvid/products/7940/7940_topic3.htm
I think the main problem is to determine the intergrated router or Call manager configuration
You can also connect on switch and type:show cpd neighbor This will show the physical port connections

Nov 27, 2007 | Cisco 7940 IP Phone

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